Open AccessNon-isothermal Diffusion of Water Vapour in Porous Building Materials
Author(s) -
T. Ficker,
Z. Podešvová
Publication year - 2002
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/304
Subject(s) - isothermal process , diffusion , water vapor , porosity , porous medium , materials science , chemical engineering , environmental science , thermodynamics , composite material , chemistry , engineering , physics , organic chemistry
Non-isothermal diffusion is analysed using Fick's laws. The exact relations for non-isothermal diffusion flux and partial pressure profiles in porous building materials are derived and discussed.